Title:
Railroad fishplate, spike, and nut lock
United States Patent 1408374


Inventors:
Angus, Mcdonald
Application Number:
US48835221A
Publication Date:
02/28/1922
Filing Date:
07/29/1921
Assignee:
Harold, Putnam
Charles, Conrad T.
Primary Class:
Other Classes:
411/116, 411/927
International Classes:
E01B11/36
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